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sudo apt-get update
sudo apt-get install build-essential

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sudo apt-get install python3

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sudo apt-get install git

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sudo apt-get install vim

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sudo apt install snapd
sudo snap install code --classic

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iwconfig

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auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
    wpa-ssid <wifi_ssid>
    wpa-psk <wifi_password>

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sudo systemctl restart networking

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http_proxy="http://<proxy_server>:<port>"
https_proxy="http://<proxy_server>:<port>"

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sudo apt-get install npm
sudo npm install -g --unsafe-perm node-red

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sudo apt-get install mosquitto mosquitto-clients

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import paho.mqtt.client as mqtt

# ÅþÁ¬Àֳɻص÷º¯Êý
def on_connect(client, userdata, flags, rc):
    print("Connected with result code " + str(rc))
    # ¶©ÔÄÖ÷Ìâ
    client.subscribe("topic/test")

# ÐÂÎŻص÷º¯Êý
def on_message(client, userdata, msg):
    print(msg.topic + " " + str(msg.payload))

# ½¨Éè¿Í»§¶ËʵÀý
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

# ÅþÁ¬MQTTÊðÀíЧÀÍÆ÷
client.connect("mqtt.eclipse.org", 1883, 60)

# Ñ­»·¼àÌýÐÂÎÅ
client.loop_forever()

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